Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/20/2025
| Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
| 1 | 11/21/2025 | 22:49:21 | -0.02,-137.01 | -0.80,-140.55 | 403.01 | 80 |
| 2 | 11/22/2025 | 22:27:58 | -0.01,-137.01 | 0.22,-136.03 | 112.18 | 80 |
| 3 | 11/24/2025 | 10:52:29 | 0.01,-137.00 | 0.95,-141.30 | 490.55 | 80 |
| 4 | 11/25/2025 | 10:31:06 | -0.00,-136.99 | -0.07,-136.78 | 24.40 | 80 |
| 5 | 11/27/2025 | 22:37:03 | 0.01,-136.98 | -0.12,-137.57 | 67.55 | 80 |
| 6 | 11/28/2025 | 22:15:41 | 0.01,-136.97 | 0.91,-133.05 | 447.02 | 80 |
| 7 | 11/30/2025 | 10:40:10 | -0.01,-136.94 | 0.32,-138.31 | 156.57 | 80 |
| 8 | 12/01/2025 | 10:18:47 | -0.01,-136.93 | -0.72,-133.79 | 357.56 | 80 |
| 9 | 12/02/2025 | 22:43:27 | -0.01,-136.91 | -0.48,-139.11 | 250.06 | 80 |
| 10 | 12/03/2025 | 22:22:03 | -0.00,-136.89 | 0.49,-134.57 | 263.54 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/20/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 11/20/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21